LINE CIRCUIT FOR TELECOMMUNICATIONS EXCHANGE USING TDM,申请号GB19750041985-传众专利搜索

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发明名称	LINE CIRCUIT FOR TELECOMMUNICATIONS EXCHANGE USING TDM
摘要
申请公布号	GB1518537(A)	申请公布日期	1978.07.19
申请号	GB19750041985	申请日期	1975.10.14
申请人	INT STANDARD ELECTRIC CORP	发明人
分类号	H04M9/00;H04Q11/04;(IPC1-7):H04M3/42	主分类号	H04M9/00
代理机构		代理人
主权项
地址

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